Turbine water-wheel



(No Model.)

0. P. BRAD WAY.

' TURBINE WATER WHEEL. No. 328,179. J5 I 'Pfififlflfid 0ct. 13, 1885.

J7 A 1/ I Z; 00 p I UNITED STATES PATENT @EEIcE.

CHARLES PHILIP BRADWAY, OF STAFFORD, CONNECTICUT.

TURBINE WATER-WHEEL.

SPECIFICATION forming part of Letters Patent No. 328,179, dated October13, 1885.

Application filed April 29, 1884. Serial No. 129,740. (No model.)

To all whom it may concern:

Be it known that I, C. P. BRADWAY, a citizen of the United States,residing at Stafford, in the county of Tolland and State of Connecticut,have invented certain new and useful Improvements in TurbineWater-\Vheels; and.

I do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

The object of this improvement is a gate or valve system for moreperfectly controlling the passage of water through and regulating theaction of turbine water-wheels. These results are attained by themechanism illustrated in the drawings herewith filed as a part hereof,in which the same letters of reference denote the same parts in all theviews.

Figure 1 is a side elevation representing my improvement. Fig. 2 is atop view. Fig. 3 is a sectional view showing a modified form of cam, andmore fully illustrating special features of construction. Fig. 4 is aview of one of the gates or valves detached, and showing a difierentadjustment of one of its connecting parts. Fig. 5 is a rear elevation ofa gate or valve detached, showing the same adjustment of one of theconnecting parts as shown in Figs. 1, 2, and 3. Fig. 6 is a top view ofone of the parts detached. Fig. 7 is a rear elevation of a gate or valvedetached, showing the operating-lever attached thereto in a lower planethan those shown in Figs. 4 and 5.

A A is the shell or casing surrounding the wheel, which may be of anysuitable pattern. B B are the water-ways, each one of which is providedwith a valve or gate, 0, having a recess, C, corresponding to the heightof the water-ways B, and of circular form at the upper and lower ends,0' C.

The shell or casing A A is provided with suitable recesses, as shown atC, Fig. 3, for the reception of the valves C, which may be additionallysecured in position.

D D represent slotted or forked levers, affixed to the top of the valvesby screw-threaded studs 0 and corresponding nuts or other suitablemeans. The levers D are mounted so that each alternate one of the serieswill be in the same horizontal plane, while the intermediate oneswill-likewise be in a given plane, but on a different level, thuspermitting the levers to pass by one another in their operation of thevalves. Those levers which are on the higher plane are attached directlyto and rest upon 1 and of such a thickness as to project within theplane of the levers on the higher leve for a purpose presentlyexplained.

E represents a vertical shaft, secured at its lower end to the casing AA and provided with a pinion, E, which meshes with cogwheel F, havingarms F, and suitably secured to but arranged to move on the verticalextension A of the casing A A, for a purpose hereinafter set forth.

Secured to the arms F of the cog-wheel F by means of bolts fis a cam, G,having inward curves, G.

F represents pins secured to the arms F of the cog-wheel F, in positionto enter the slots of and engage with the levers D, secured to thevalves C, when motion is given to the Wheels F by means of the shaft Eand pinions E, by the movement of which one way or the other the valve Cmay be partially or entirely opened or partially or entirely closed, asshown at C and C, Fig. 3. This cam C is arranged in the same horizontalplane with the levers D, and its inward curves or recesses,

G, give clearance for the complete oscillation of the levers D, and theconvex surfaces thereof will prevent the slots of the levers fromgetting out of the line with the projections or pins F when movinginwardly, and the sides of the respectively adjoining valves willperform the same office when the levers D are moved outwardly. Thisfeature is more clearly illustrated in Fig. 3, in which the cam isrepresented in dotted lines, the inward curves being at a greaterdistance apart, as the pins F are arranged to actuate a series of thethree levers, instead of two, as shown in Fig. 2. By refererence to Fig.3 it will be seen that the levers D are longer than the distance betweentheir hubs. Consequently they are limited to their IOO outward movementby impingement with the the cam G, as clearly indicated in the aforesaid figure of the drawings, it being understood that the said cam is ofsulficicnt thickness to extend within both planes of the levers on thehigher and lower level, as will be understood by reference to Figs. 1and 3, but more particularly shown in Fig. 1.

In Fig. 2 each of the pinsF is shown as arranged to actuate two of thevalves, there being one pin for each two valves. By refcrence to Fig. 3the operation may be easily understood. The cog-wheel F being rotated tothe right, one of its pins engaging the slotted arm lever carries thesame in position shown in dotted lines, Fig. 3, when, on the continuedrotation of the cog, the pin will engage the next lever, and so onsuccessively throughout the whole series, each lever being acted onsuccessively by the pin. From this it will be seen that if only a singlepin were employed the cog-wheel would have to make a complete revolutionto actuate all the valves. If two pins were employed it is evident thatthe cog-wheel would only make a SBml'IGVOIU: tion in actuating all thevalves. W here the pins are half the number of valves, as shown in Fig.2, the cog-wheel in a slight movement will actuate all the valves. Thusit is evident that a single pin may be employed to actuate all thevalves of the case, or a series of pins be made to actuateaseries ofvalve; or, there may be a single pin for each valve.

H represents a hollow driving-shaft. H is a center post or bearing forthe wheel, and h 71/ are the stud-bolts, securing the position of thetransverse piece H, supporting the center post, H.

By the adjustment shown two or more gates operate together onoppositesides of the wheel, thus always keeping the wheel properlybalanced. so when one gate is opened or closed the adjoining gateimmediately begins to open or close,if the gate-rod E continues to beturned.

It is obvious that when this form of gate is fully opened, unbrokencolumns of water enter squarely against the buckets of the wheel, andthe same is the case with each of the gates when partially opened.

Having thus described my invention, what I claim, and desire to secureby Letters latcut, is

In a turbine water-wheel, the combination of an annular casing providedwith waterways at stated intervals around its periphery, valvesregulating said waterways and provided on their outer ends with slottedlevers, with a disk, pins depending therefrom, and arranged tosuccessively actuate the valves. and a cam attached to the disk andlocated within the plane of the slotted levers and provided withinwardly-curved recesses, substantially as shown and for the purposesdescribed.

In testimony whereof I ai'iix my signature in presence of two witnesses.

CHARLES PHILIP BRADWUXY.

\Vitnesses:

J. H. Si ma, 1). H. Bnrmnosn.

